Home / 23,940.42-33,038.67-13,185.75

Finding the Fourth Proportional to 23,940.42, 33,038.67 and 13,185.75

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Solution

The fourth proportional to 23,940.42, 33,038.67 and 13,185.75 is: 18,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.42 : 33,038.67 = 13,185.75 : x
  2. Step 2: Convert to fraction form
    23,940.42/33,038.67 = 13,185.75/x
  3. Step 3: Cross multiply
    23,940.42x = 33,038.67 × 13,185.75
  4. Step 4: Simplify right side
    23,940.42x = 435,639,642.95
  5. Step 5: Solve for x
    x = 435,639,642.95/23,940.42
  6. Step 6: Final answer
    x = 18,196.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.